1403 is currently parked at Thorntons, to be converted to a Driver Training vehicle:

Arriva North East: 1403 / NK53HHZ by Daniel Graham, on Flickr

Thought it had been scrapped due to a chassis problem. Along with 1401/2 these seemed to get better with age. 1401 is the only bus at Blyth depot capable of doing 60mph.

(20 Feb 2021, 9:07 am)Dan wrote 1403 is currently parked at Thorntons, to be converted to a Driver Training vehicle:

Arriva North East: 1403 / NK53HHZ by Daniel Graham, on Flickr

Thanks God for that